Thanks everyone for helping me understand the right way to use the KAT500. I could have sworn I was doing the right thing by keeping it in auto. In fact, that's how it has been setup up since day one here. I'm hoping that didn't contribute to my KPA500 problem.
On Sat, Nov 18, 2017 at 4:17 PM, Fred Jensen <k6...@foothill.net> wrote: > Kevin, here's a little background, direct from one of the KAT500 engineers: > > The KAT500 memories cover the range 1500 KHz to 60.0 MHz, no gaps, in a > series of "bins". Each bin holds capacitor and inductor values, relay > settings, antenna connector selection, and a couple of other values. Each > bin covers a bandwidth that is a function of frequency. The lower bands > are narrow and the BW of a bin increases as you go up in frequency. > > For 80 meters, the bins are 20 KHz wide, and there are 90 of them from > 3001 KHz to 4800 KHz. Most of the higher frequency bands [40 thru 15] have > 50 KHz bins. 12 and 10 are 100 KHz, and I believe 6 is 200 KHz. So, to > "train" your KAT500: > > 1. AUTO mode. Tap ATU TUNE to make it tune > > 2. Start at the center of the lowest bin for the band [3510 for 80] and > tune > > 3. QSY up the bin-width for the band and do it again. > > 4. You need to do this for each antenna you have for a given band. Using > the KAT500 Utility, you can designate one of the three antenna connectors > the default for each band. You can also lock out connectors for each band, > and they will be skipped when manually selecting antennas on the front > panel. It takes awhile but once you do it, you're set. I found that some > bands needed a little tweaking between summer and winter but that's all. > > You want to operate in MAN mode. The tuner can't measure SWR on other > than a continuous, steady signal. Operating in AUTO will cause phony tune > events. If the KAT500 is connected to the ACC connector of the K3, it will > follow your receive frequency and select the correct tuning memory as you > QSY. > > Hope this helps, > > 73, > > Fred ["Skip"] K6DGW > Sparks NV DM09dn > Washoe County > > In the meantime, I got comment about how I run my KAT500: "KAT500 - We >>> normally leave the KAT in the MAN position, not AUTO. With varying SWR, >>> the >>> KAT will tune while in transmit when in the AUTO position." >>> >>> I'm not quite sure what that to make of that. I have my KAT500 in the >>> AUTO >>> position thinking it's a good thing that the KAT will tune if something >>> happens... which it never does. But in AUTO, at least the tuner will >>> retune >>> if I jump to a frequency that is not in memory. >>> >>> >> > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to kkinde...@gmail.com > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
